Heat transfer in the flow through a bundle of tubes and transitions of the flow
| Autor: | Yukio Takemoto, Keiji Kawanishi, Jiro Mizushima |
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| Rok vydání: | 2010 |
| Předmět: |
Fluid Flow and Transfer Processes
Pressure drop Materials science Mechanical Engineering Reynolds number Thermodynamics Condensed Matter Physics Nusselt number Churchill–Bernstein equation Physics::Fluid Dynamics symbols.namesake Flow (mathematics) Heat exchanger Heat transfer Micro heat exchanger symbols |
| Zdroj: | International Journal of Heat and Mass Transfer. 53:5411-5419 |
| ISSN: | 0017-9310 |
| Popis: | Heat transfer in the flow through a bundle of heated tubes are investigated numerically at Reynolds numbers around which the flow makes a transition from a steady state to an oscillatory one, as a model of micro heat exchanger. It is found that physical quantities such as the Nusselt number and the pressure loss exhibit discontinuous jumps with continuous change in the Reynolds number. The origin of the sudden changes in these physical quantities is identified to come from the existence of multiple stable solutions which leads to hystereses in these quantities. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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